multyplayer

Prefabs/combine_zone.gd

@@ -54,6 +54,12 @@ func _on_body_entered(body: Node3D) -> void:
 	if _combining or body == _item:
 		return
 
+	# Combining is a world-state change: only the server/offline host runs it.
+	# (Clients never have the base item snapped, so their zone won't monitor, but
+	# guard explicitly in case of overlap during authority handoff.)
+	if not NetworkManager.owns_world():
+		return
+
 	var other := _find_combinable(body)
 	if not other:
 		return
@@ -75,11 +81,9 @@ func _combine(other_body: Node3D, result: PackedScene) -> void:
 		_combining = false
 		return
 
-	# Spawn the result at the base item's location, in world space.
+	# Spawn the result (networked) at the base item's location, in world space.
 	var base_transform := _item.global_transform
-	var result_instance: Node3D = result.instantiate()
-	_item.get_tree().current_scene.add_child(result_instance)
-	result_instance.global_transform = base_transform
+	var result_instance := NetworkManager.spawn_item(result.resource_path, base_transform)
 
 	# Free the base item and consume the incoming item.
 	snap_zone.drop_object()
@@ -90,7 +94,8 @@ func _combine(other_body: Node3D, result: PackedScene) -> void:
 		other_body.queue_free()
 
 	# Snap the result into the now-empty zone.
-	snap_zone.pick_up_object(result_instance)
+	if result_instance:
+		snap_zone.pick_up_object(result_instance)
 
 
 # Find a CombinableItem among the direct children of [param node].